ITEM NAME:Car Truck Modified Horn Speaker Zinc Button Start Ignition Switch 12V MRO Hot 1* Descriptio n Description: Feature: For automotive, marine, boats, and much more applications Heavy Duty (50 amps) push-button momentary switch that is dust and moisture resistant 12V DC Contacts are zinc for long life Working temperature - 40 ~ 85 ℃) Maximum panel thickness: 0.500" (1/2") without boot; 0.312" (5/16") with boot CAUTION: Disconnect negative battery cable before installation Life: = >10000 Times Presses (Factory Tested. Minimum press test > 10000 times) Specifications:.Material: zinc. We want to make sure you are happy with our item. Goods without RMA number will NOT be accepted. CAUTION: Disconnect negative battery cable before installation. Whatever the ending's perfect or not, you can't disappear from my world.